API Factory Chinese Manufacturer API 9 7/8" Tri-Cone Rock Bits TCI Tricone Bit For Oil Well Drilling The working principle of a three cone drill bit: Under the effect of drilling pressure and drill string rotation, the teeth crushed and also ate into the rock, and at the same time, there was some sliding and shearing of the rock. When it rolls at the bottom of the well, the teeth above it will successively impact and press into the formation, which can crush a part of the
Политика конфиденциальности Китай Хорошее качество Tricone буровой наконечник Доставщик. 2024-2026 Hebei Crossing Drill Bit Manufacture Co.,LTD Все права защищены.